CBSE Class 11 Physics Chapter 12 Thermodynamics Multiple Choice Questions with Answers. MCQ Questions Class 11 Physics Thermodynamics with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Physics Thermodynamics MCQs with Answers to know their preparation level.
Students who are searching for NCERT MCQ Questions for Class 11 Physics Thermodynamics with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 11 Physics with Answers. You can also verify your answers from our provided MCQ Class 11 Physics Thermodynamics with Answers. So, ace up your preparation with MCQ of Chapter 12 Physics Objective Questions.
MCQ Questions Class 11 Physics Thermodynamics with Answers - Set - 5
Question 1:
Two cylinders A and B of equal capacity are connected to each other via a stopcock. A contains an ideal gas at standard temperature and pressure.
B is completely evacuated. The entire system is thermally insulated. The stopcock is suddenly opened. The process is
(a) isothermal
(b) adiabatic
(c) isochoric
(d) isobaric
Correct Answer – (B)
Question 2 :
A cylinder contains hydrogen gas at pressure of 249 kPa and temperature 27°C. Its density is (R = 8.3 J mol–1 K–1)
(a) 0.5 kg/m3
(b) 0.2 kg/m3
(c) 0.1 kg/m3
(d) 0.02 kg/m3
Correct Answer – (B)
Question 3 :
If the ratio of specific heat of a gas at constant pressure to that at constant volume is g, the change in internal energy of a mass of gas, when the volume changes from V to 2V at constant pressure P, is
(a) PV /(γ – 1)
(b) PV
(c) R /(γ – 1)
(d) γPV /(γ – 1)
Correct Answer – (A)
Question 4 :
First law of thermodynamics is consequence of conservation of
(a) work
(b) energy
(c) heat
(d) all of these
Correct Answer – (B)
Question 5 :
The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is
(a) 6400 J
(b) 5400 J
(c) 7900 J
(d) 8900 J
Correct Answer – (C)
MCQ Questions Class 11 Physics Thermodynamics with Answers
Question 6 :
Which of the following is not thermodynamical function ?
(a) Enthalpy
(b) Work done
(c) Gibb’s energy
(d) Internal energy
Correct Answer – (B)
Question 7 :
One mole of an ideal gas requires 207 J heat to rise the temperature by 10 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same 10 K, the heat required is (Given the gas constant R = 8.3 J/mole K)
(a) 198.7 J
(b) 29 J
(c) 215.3 J
(d) 124 J
Correct Answer – (D)
Question 8 :
If cp and cv denote the specific heats per unit mass of an ideal gas of molecular weight M, then
(a) cp – cv = R/M2
(b) cp – cv = R
(c) cp – cv = R/M
(d) cp – cv = MR
Correct Answer – (C)
Question 9 :
110 joule of heat is added to a gaseous system whose internal energy is 40 J, then the amount of external work done is
(a) 150 J
(b) 70 J
(c) 110 J
(d) 40 J
Correct Answer – (B)
Question 10 :
A sample of 0.1 g of water at 100°C and normal pressure (1.013 × 105 N m–2) requires 54 cal of heat energy to convert to steam at 100°C. If the volume of the steam produced is 167.1 cc, the change in internal energy of the sample, is
(a) 104.3 J
(b) 208.7 J
(c) 42.2 J
(d) 84.5 J
Correct Answer – (B)
- NCERT Solutions Class 11 Physics Chapter 1 : Physical world
- NCERT Solutions Class 11 Physics Chapter 2 : Units And Measurements
- NCERT Solutions Class 11 Physics Chapter 3 : Motion In A Straight Line
- NCERT Solutions Class 11 Physics Chapter 4 : Motion In A Plane
- NCERT Solutions Class 11 Physics Chapter 5 : Laws of Motion
- NCERT Solutions Class 11 Physics Chapter 6 : Work Energy Power
- NCERT Solutions Class 11 Physics Chapter 7 : Rotational-Motion
- NCERT Solutions Class 11 Physics Chapter 8 : Gravitation
- NCERT Solutions Class 11 Physics Chapter 9 : Mechanical Properties of Solids
- NCERT Solutions Class 11 Physics Chapter 10 : Mechanical Properties of Fluids
- NCERT Solutions Class 11 Physics Chapter 11 : Thermal Properties of Matter
- NCERT Solutions Class 11 Physics Chapter 12 : Thermodynamics
- NCERT Solutions Class 11 Physics Chapter 13 : Kinetic Theory
- NCERT Solutions Class 11 Physics Chapter 14 : Oscillations
- NCERT Solutions Class 11 Physics Chapter 15 : Waves
